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From: Ryo Tsuruta <ryov@valinux.co.jp>
To: kamezawa.hiroyu@jp.fujitsu.com
Cc: balbir@linux.vnet.ibm.com, linux-kernel@vger.kernel.org,
	dm-devel@redhat.com, containers@lists.linux-foundation.org,
	virtualization@lists.linux-foundation.org,
	xen-devel@lists.xensource.com, linux-mm@kvack.org
Subject: a room for blkio-cgroup in struct page_cgroup
Date: Wed, 02 Sep 2009 20:51:37 +0900 (JST)	[thread overview]
Message-ID: <20090902.205137.71100180.ryov@valinux.co.jp> (raw)

Hi Kamezawa-san,

As you wrote before (http://lkml.org/lkml/2009/7/22/65)
> To be honest, what I expected in these days for people of blockio
> cgroup is like following for getting room for themselves.
<<snip>>
> --- mmotm-2.6.31-Jul16.orig/include/linux/page_cgroup.h
> +++ mmotm-2.6.31-Jul16/include/linux/page_cgroup.h
> @@ -13,7 +13,7 @@
>  struct page_cgroup {
>       unsigned long flags;
>       struct mem_cgroup *mem_cgroup;
> -     struct page *page;
> +     /* block io tracking will use extra unsigned long bytes */
>       struct list_head lru;       /* per cgroup LRU list */
> };

Have you already added a room for blkio_cgroup in struct page_cgroup?
If not, I would like you to apply the above change to mmotm.

The latest blkio-cgroup has reflected the comments you pointed out.
I would also like you to give me any comments on it and consider
merging blkio-cgroup to mmotm.

Thank you for your help in advance.
Ryo Tsuruta

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             reply	other threads:[~2009-09-02 11:51 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-09-02 11:51 Ryo Tsuruta [this message]
2009-09-02 13:12 ` KAMEZAWA Hiroyuki
2009-09-02 20:02   ` Balbir Singh
2009-09-03  0:30     ` KAMEZAWA Hiroyuki
2009-09-03  5:09   ` Ryo Tsuruta

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